"Creating PowerPoint presentations in custom design" matching MCP connectors:

Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev

Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.

Voice-powered bug reporting with 13 MCP tools. Record bugs by talking; let AI find and fix them.

Pre-commit code quality guardian. Detects semantic drift in AI-generated code.

Evaluates UI designs for WCAG accessibility issues automated scanners miss. Paid via x402 on Base.

Rule engine with built-in simulation. 55 MCP tools for complete business rule lifecycle management.

Translation QA: automated checks, AI evaluation, linguistic review, and visual in-context testing.

Katalon True Platform MCP: design tests, run with AI, upload reports, assess release readiness.

Direct access to Cypress tests results and accessibility reports in your AI workflow.

Pluralistic human evaluation infrastructure for AI in production. Query real human reviewer verdicts on commercial AI models - scores, flag breakdowns, and side-by-side comparisons, by our community reviews.

MCP server for Mint — AI-powered QA that runs your app in a real browser on every PR.

MEOK MCP Test MCP — golden-file + schema-drift + tool-failure tests for any MCP server. Drop-in